Moon’s Water Comes in Flavors! Yes! Three Flavors, Scientists Say

Since the surprise discovery last year of trace amounts of water on the moon, scientists have been redefining their concept of Earth’s rocky neighbor. Now researchers say the water on the moon comes in three different flavors.

Until recently the moon was thought to be bone dry. But measurements in the last year from the Mini-SAR and Moon Mineralogy Mapper (M3 or “M-cubed”) instruments on India’s Chandrayaan-1 moon probe and from NASA’s recent LCROSS mission have proved that wrong.

Mini-SAR found 40 craters, each containing frozen water at least 6.6 feet (2 meters) deep on the lunar surface – which adds up to 600 million tons of lunar ice stuff altogether. LCROSS slammed into the moon on Oct. 9, 2009 and found evidence of water in another crater.